GB2158573A - Scattered-light type smoke detector - Google Patents
Scattered-light type smoke detector Download PDFInfo
- Publication number
- GB2158573A GB2158573A GB08506035A GB8506035A GB2158573A GB 2158573 A GB2158573 A GB 2158573A GB 08506035 A GB08506035 A GB 08506035A GB 8506035 A GB8506035 A GB 8506035A GB 2158573 A GB2158573 A GB 2158573A
- Authority
- GB
- United Kingdom
- Prior art keywords
- light
- smoke
- scattered
- light emitting
- smoke detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984033961U JPS60148688U (ja) | 1984-03-09 | 1984-03-09 | 散乱光式煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8506035D0 GB8506035D0 (en) | 1985-04-11 |
GB2158573A true GB2158573A (en) | 1985-11-13 |
Family
ID=12401086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08506035A Withdrawn GB2158573A (en) | 1984-03-09 | 1985-03-08 | Scattered-light type smoke detector |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS60148688U (zh) |
CH (1) | CH662196A5 (zh) |
DE (1) | DE3507996A1 (zh) |
GB (1) | GB2158573A (zh) |
NO (1) | NO850914L (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0475884A1 (de) * | 1990-09-05 | 1992-03-18 | ESSER SICHERHEITSTECHNIK GmbH | Brandmelder mit einem Streulicht- und einem Ionisationssystem |
WO1992019955A1 (en) * | 1991-05-01 | 1992-11-12 | Allied-Signal Inc. | Smoke detector apparatus |
US5231378A (en) * | 1990-06-23 | 1993-07-27 | Kidde-Graviner Limited | Particle detection which senses scattered light |
CN108416777A (zh) * | 2018-03-16 | 2018-08-17 | 佛山市合能物联软件开发有限公司 | 车辆尾气黑度值计算方法及系统 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0820363B2 (ja) * | 1985-11-29 | 1996-03-04 | ジエント リミテイド | 火災検知器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1501698A (en) * | 1974-04-17 | 1978-02-22 | Hochiki Co | Photoelectric smoke detectors |
GB2137338A (en) * | 1983-03-31 | 1984-10-03 | Hochiki Co | Scattered light type smoke detector |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5258252A (en) * | 1975-11-10 | 1977-05-13 | Mitsubishi Heavy Ind Ltd | Process for treating waste water |
JPS5517349A (en) * | 1978-07-24 | 1980-02-06 | Rikagaku Kenkyusho | Production of diterpene derivative |
JPS5649995U (zh) * | 1979-09-19 | 1981-05-02 | ||
JPS5653295U (zh) * | 1979-09-29 | 1981-05-11 | ||
JPS56100342A (en) * | 1980-01-14 | 1981-08-12 | Matsushita Electric Works Ltd | Photoelectric type smoke sensor |
JPS6032186Y2 (ja) * | 1981-07-28 | 1985-09-26 | ティー・シー・エム株式会社 | ロ−タリ除雪装置における金属異物検知装置 |
JPS605076Y2 (ja) * | 1981-07-29 | 1985-02-15 | 勇 沼田 | 消波装置 |
JPS5840477U (ja) * | 1981-09-14 | 1983-03-17 | 株式会社クボタ | 歩行型移動農機 |
-
1984
- 1984-03-09 JP JP1984033961U patent/JPS60148688U/ja active Granted
-
1985
- 1985-03-04 DE DE19853507996 patent/DE3507996A1/de not_active Withdrawn
- 1985-03-07 NO NO850914A patent/NO850914L/no unknown
- 1985-03-07 CH CH1035/85A patent/CH662196A5/fr not_active IP Right Cessation
- 1985-03-08 GB GB08506035A patent/GB2158573A/en not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1501698A (en) * | 1974-04-17 | 1978-02-22 | Hochiki Co | Photoelectric smoke detectors |
GB2137338A (en) * | 1983-03-31 | 1984-10-03 | Hochiki Co | Scattered light type smoke detector |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5231378A (en) * | 1990-06-23 | 1993-07-27 | Kidde-Graviner Limited | Particle detection which senses scattered light |
EP0475884A1 (de) * | 1990-09-05 | 1992-03-18 | ESSER SICHERHEITSTECHNIK GmbH | Brandmelder mit einem Streulicht- und einem Ionisationssystem |
WO1992019955A1 (en) * | 1991-05-01 | 1992-11-12 | Allied-Signal Inc. | Smoke detector apparatus |
CN108416777A (zh) * | 2018-03-16 | 2018-08-17 | 佛山市合能物联软件开发有限公司 | 车辆尾气黑度值计算方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
NO850914L (no) | 1985-09-10 |
CH662196A5 (fr) | 1987-09-15 |
DE3507996A1 (de) | 1985-10-10 |
GB8506035D0 (en) | 1985-04-11 |
JPH0435990Y2 (zh) | 1992-08-25 |
JPS60148688U (ja) | 1985-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |